134782390 has 16 divisors (see below), whose sum is σ = 255377520. Its totient is φ = 51075360.

The previous prime is 134782387. The next prime is 134782391. The reversal of 134782390 is 93287431.

It is a super-2 number, since 2×134782390² = 36332585308224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134782391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354501 + ... + 354880.

It is an arithmetic number, because the mean of its divisors is an integer number (15961095).

Almost surely, 2^134782390 is an apocalyptic number.

134782390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134782390 is a deficient number, since it is larger than the sum of its proper divisors (120595130).

134782390 is a wasteful number, since it uses less digits than its factorization.

134782390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709407.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 134782390 is about 11609.5818184808. The cubic root of 134782390 is about 512.7170003128.

The spelling of 134782390 in words is "one hundred thirty-four million, seven hundred eighty-two thousand, three hundred ninety".